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Identify the rule for the following pattern: 99, 90, 81... add 9 add 9 multiply 9 multiply 9 subtract 9 subtract 9 divide 9

Identify the rule for the following pattern: 99, 90, 81... add 9 add 9 multiply 9 multiply 9 subtract 9 subtract 9 divide 9
98.5k views
4 votes
Identify the rule for the following pattern:

99, 90, 81...


add 9
add 9

multiply 9
multiply 9

subtract 9
subtract 9

divide 9

User Twmb
by
8.1k points

2 Answers

6 votes
Add 9. 81+9=90. 90+9=99.
so on
User Dewey Vozel
by
7.8k points
3 votes
Subtract 9
Since : 99-9= 90
90-9=81
User Anagha
by
8.6k points
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